package com.sky.handler;

import com.sky.constant.MessageConstant;
import com.sky.exception.BaseException;
import com.sky.result.Result;
import lombok.extern.slf4j.Slf4j;
import org.springframework.web.bind.annotation.ExceptionHandler;
import org.springframework.web.bind.annotation.RestControllerAdvice;

import java.sql.SQLIntegrityConstraintViolationException;

/**
 * 全局异常处理器，处理项目中抛出的业务异常
 */
@RestControllerAdvice
@Slf4j
public class GlobalExceptionHandler {

    /**
     * 捕获业务异常
     * @param ex
     * @return
     */
    @ExceptionHandler
    public Result exceptionHandler(BaseException ex){
        log.error("异常信息：{}", ex.getMessage());
        return Result.error(ex.getMessage());
    }
    /**
     * 捕获SQLIntegrityConstraintViolationException异常
     * @param ex
     * @return
     */
    @ExceptionHandler//这个东西捕获到异常。控制台就不会崩了
    public Result exceptionHandler(SQLIntegrityConstraintViolationException ex)
    {
//        java.sql.SQLIntegrityConstraintViolationException: Duplicate entry 'xiaohong' for key 'employee.idx_username'
        log.error("异常信息：{}", ex.getMessage());//至于要不要看具体的错误信息就看自己了
        String [] split =ex.getMessage().split(" ");
        String msg="";
//        System.out.println("看这里"+msg);调试
        if (ex.getMessage().contains("Duplicate entry"))
        {
            msg+=split[2]+MessageConstant.ACCOUNT_EXISTED;
            msg+=",请重新添加";
        }
        else
        {
            msg=MessageConstant.UNKNOWN_ERROR;
        }
        return Result.error(msg);
    }

}
